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50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: libcpp-no-exceptions
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// MODULES_DEFINES: _LIBCPP_DEBUG=1
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// MODULES_DEFINES: _LIBCPP_DEBUG_USE_EXCEPTIONS
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// Can't test the system lib because this test enables debug mode
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// UNSUPPORTED: with_system_cxx_lib
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// test array<T, 0>::front() throws a debug exception.
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#define _LIBCPP_DEBUG 1
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#define _LIBCPP_DEBUG_USE_EXCEPTIONS
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#include <array>
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template <class Array>
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inline bool CheckDebugThrows(Array& Arr) {
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try {
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Arr.back();
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} catch (std::__libcpp_debug_exception const&) {
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return true;
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}
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return false;
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}
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int main()
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{
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{
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typedef std::array<int, 0> C;
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C c = {};
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C const& cc = c;
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assert(CheckDebugThrows(c));
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assert(CheckDebugThrows(cc));
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}
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{
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typedef std::array<const int, 0> C;
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C c = {{}};
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C const& cc = c;
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assert(CheckDebugThrows(c));
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assert(CheckDebugThrows(cc));
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}
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}
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